package aiowang.javaprimary.helloworld;

import com.rabbitmq.client.*;

import java.io.IOException;
import java.util.concurrent.TimeoutException;

/**
 * @author aiowang
 * @description:
 * @date 2021/8/24 22:26
 */
public class Consumer {
    private static final String QUEUE_NAME = "hello";



    public static void main(String[] args) throws IOException, TimeoutException {
        ConnectionFactory factory = new ConnectionFactory();
        factory.setHost("192.168.0.234");
        factory.setUsername("admin");
        factory.setPassword("123");
        Connection connection = factory.newConnection();
        Channel channel = connection.createChannel();
        System.out.println("等待接收消息……");
        //推送的消息如何进行消费的接口回调
        DeliverCallback deliverCallback=(consumerTag, delivery)->{
            String message= new String(delivery.getBody());
            System.out.println(message);
        };

        //取消消费的一个回调接口 如在消费的时候队列被删除掉了
        CancelCallback cancelCallback=(consumerTag)->{
            System.out.println(" 消息消费被中断");
        };

        /**
         *  消费者消费消息
         * 1. 消费哪个队列
         * 2. 消费成功之后是否要自动应答 true 代表自动应答 false 手动应答
         * 3. 消费者未成功消费的回调
         */
        channel.basicConsume(QUEUE_NAME,true,deliverCallback,cancelCallback);
    }

}
